Bewolking — 2020
| Monat | Dordrecht | Alblasserdam | Unterschied |
|---|---|---|---|
| Jan | 78.6 % | 78.6 % | +0.0 |
| Feb | 74.8 % | 74.8 % | +0.0 |
| Mär | 53 % | 53 % | +0.0 |
| Apr | 36.1 % | 36.1 % | +0.0 |
| Mai | 47.8 % | 47.8 % | +0.0 |
| Jun | 65.3 % | 65.3 % | +0.0 |
| Jul | 63 % | 63 % | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |